Publisher:
|
Washington : U.S. Government Publishing Office, 2017. |
Phys. Desc.:
|
1 online resource (iv, 534 pages) : illustrations
|
Digital Content
|
Click for online content. |
|
|
Publisher:
|
Washington, DC : U.S. Environmental Protection Agency, Coalbed Methane Outreach Program, [2008] |
Phys. Desc.:
|
1 online resource ([8] pages) : digital, PDF file
|
Digital Content
|
Click for online content. |
|
Publisher:
|
[Washington, D.C.?] : U.S. Environmental Protection Agency, Coalbed Methane Outreach Program, [2005] |
Phys. Desc.:
|
[16] p. : digital, PDF file
|
Digital Content
|
Click for online content. |
|
|